Evaluate
\frac{2}{3}\approx 0.666666667
Factor
\frac{2}{3} = 0.6666666666666666
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\frac{\frac{1}{9}-\frac{18}{9}+3}{-\frac{1}{3}+2}
Convert 2 to fraction \frac{18}{9}.
\frac{\frac{1-18}{9}+3}{-\frac{1}{3}+2}
Since \frac{1}{9} and \frac{18}{9} have the same denominator, subtract them by subtracting their numerators.
\frac{-\frac{17}{9}+3}{-\frac{1}{3}+2}
Subtract 18 from 1 to get -17.
\frac{-\frac{17}{9}+\frac{27}{9}}{-\frac{1}{3}+2}
Convert 3 to fraction \frac{27}{9}.
\frac{\frac{-17+27}{9}}{-\frac{1}{3}+2}
Since -\frac{17}{9} and \frac{27}{9} have the same denominator, add them by adding their numerators.
\frac{\frac{10}{9}}{-\frac{1}{3}+2}
Add -17 and 27 to get 10.
\frac{\frac{10}{9}}{-\frac{1}{3}+\frac{6}{3}}
Convert 2 to fraction \frac{6}{3}.
\frac{\frac{10}{9}}{\frac{-1+6}{3}}
Since -\frac{1}{3} and \frac{6}{3} have the same denominator, add them by adding their numerators.
\frac{\frac{10}{9}}{\frac{5}{3}}
Add -1 and 6 to get 5.
\frac{10}{9}\times \frac{3}{5}
Divide \frac{10}{9} by \frac{5}{3} by multiplying \frac{10}{9} by the reciprocal of \frac{5}{3}.
\frac{10\times 3}{9\times 5}
Multiply \frac{10}{9} times \frac{3}{5} by multiplying numerator times numerator and denominator times denominator.
\frac{30}{45}
Do the multiplications in the fraction \frac{10\times 3}{9\times 5}.
\frac{2}{3}
Reduce the fraction \frac{30}{45} to lowest terms by extracting and canceling out 15.
Examples
Quadratic equation
{ x } ^ { 2 } - 4 x - 5 = 0
Trigonometry
4 \sin \theta \cos \theta = 2 \sin \theta
Linear equation
y = 3x + 4
Arithmetic
699 * 533
Matrix
\left[ \begin{array} { l l } { 2 } & { 3 } \\ { 5 } & { 4 } \end{array} \right] \left[ \begin{array} { l l l } { 2 } & { 0 } & { 3 } \\ { -1 } & { 1 } & { 5 } \end{array} \right]
Simultaneous equation
\left. \begin{cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end{cases} \right.
Differentiation
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Limits
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}